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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9784633c4..641ab9ed4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,5 @@
cmake_minimum_required(VERSION 3.9)
-include(CheckIPOSupported)
include(CheckIncludeFiles)
include(CheckFunctionExists)
include(CheckPrototypeDefinition)
@@ -126,13 +125,6 @@ with open(join('${CMAKE_SOURCE_DIR}','qadic', 'CPimport.txt')) as fin:
)
configure_file(${CMAKE_BINARY_DIR}/CPimport.h.in ${CMAKE_BINARY_DIR}/CPimport.h COPYONLY)
-# Setup for flint-config.h
-check_c_compiler_flag("-mpopcnt" HAS_FLAG_MPOPCNT)
-check_c_compiler_flag("-funroll-loops" HAS_FLAG_UNROLL_LOOPS)
-
-if(HAS_FLAG_MPOPCNT)
- set(CMAKE_REQUIRED_FLAGS "-mpopcnt")
-endif()
# Testing __builtin_popcountl...
check_c_source_runs([[int main(int argc, char ** argv) {
#if defined(_WIN64)
@@ -141,7 +133,6 @@ check_c_source_runs([[int main(int argc, char ** argv) {
return __builtin_popcountl(argc) == 100;
#endif
}]] FLINT_USES_POPCNT)
-unset(CMAKE_REQUIRED_FLAGS)
# fenv configuration
check_c_source_compiles([[#include <fenv.h>
@@ -250,13 +241,6 @@ if(BUILD_SHARED_LIBS AND WIN32)
target_compile_definitions(flint PUBLIC "MSC_USE_DLL")
endif()
-if (HAS_FLAG_MPOPCNT)
- target_compile_options(flint PUBLIC "-mpopcnt")
-endif()
-if (HAS_FLAG_UNROLL_LOOPS)
- target_compile_options(flint PUBLIC "-funroll-loops")
-endif()
-
# Versioning
set_target_properties(flint PROPERTIES
@@ -279,21 +263,6 @@ elseif (WIN32)
set_target_properties(flint PROPERTIES RUNTIME_OUTPUT_NAME "flint-${FLINT_MAJOR}")
endif()
-if(NOT DEFINED IPO_SUPPORTED)
- message(STATUS "Checking for IPO")
- check_ipo_supported(RESULT ipo_supported LANGUAGES C)
- if(ipo_supported)
- message(STATUS "Checking for IPO - found")
- else()
- message(STATUS "Checking for IPO - not found")
- endif()
- set(IPO_SUPPORTED ${ipo_supported} CACHE INTERNAL "Introprocedural Optimization" FORCE)
-endif()
-
-if(IPO_SUPPORTED)
- set_target_properties(flint PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
-endif()
-
if(NOT MSVC)
target_link_libraries(flint PUBLIC m)
endif()
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